跨域：The 'Access-Control-Allow-Origin' header contains multiple values '*, *', but only one is allowed

使用Ajax跨域請求資源，Nginx做爲代理，出現：The 'Access-Control-Allow-Origin' header contains multiple values '*, *', but only one is allowed 錯誤。跨域 服務端容許跨域配置：服務器 #region 設置容許跨域，容許複雜請求 HttpContext.Current.Re

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